sdformat: init at 3.7.0 and 4.0.0

pkgs/development/libraries/sdformat/3.nix

@@ -0,0 +1,7 @@
+{ stdenv, fetchurl, callPackage, ... } @ args:
+
+callPackage ./default.nix (args // rec {
+  version = "3.7.0";
+  srchash-sha256 = "07kn8bgvj9mwwinsp2cbmz11z7zw2lgnj61mi1gi1pjg7q9in98q";
+})
+

pkgs/development/libraries/sdformat/default.nix

@@ -0,0 +1,23 @@
+{ stdenv, fetchurl, cmake, boost, ruby_1_9, ignition, tinyxml
+  , name ? "sdformat-${version}"
+  , version ? "4.0.0" # versions known to work with this expression include 3.7.0
+  , srchash-sha256 ? "b0f94bb40b0d83e35ff250a7916fdfd6df5cdc1e60c47bc53dd2da5e2378163e"
+  , ...
+  }:
+
+let 
+  ruby = ruby_1_9;
+in
+stdenv.mkDerivation rec {
+  src = fetchurl { 
+      url = "http://osrf-distributions.s3.amazonaws.com/sdformat/releases/${name}.tar.bz2";
+      sha256 = srchash-sha256;
+  };
+
+  inherit name;
+
+  enableParallelBuilding = true;
+  buildInputs = [
+    cmake boost ruby ignition.math2 tinyxml
+  ];
+}

pkgs/top-level/all-packages.nix

@@ -1572,6 +1572,14 @@ in
 
   gawp = goPackages.gawp.bin // { outputs = [ "bin" ]; };
 
+  gazeboSimulator = recurseIntoAttrs {
+    sdformat = gazeboSimulator.sdformat4;
+
+    sdformat3 = callPackage ../development/libraries/sdformat/3.nix { };
+
+    sdformat4 = callPackage ../development/libraries/sdformat { };
+  };
+
   gbdfed = callPackage ../tools/misc/gbdfed {
     gtk = gtk2;
   };